Comparison

電卓 vs Rub Memo

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

電卓

Features
Read full description

CalcNoteは、計算式の数値に「ラベル」を付けて管理できる電卓アプリです。 【こんな方におすすめ】 ・家計の収支を計算しながらメモしたい方 ・見積もりや簡易会計に電卓を使う方 ・計算の根拠を後から確認したい方 【主な機能】 ▼ ラベル付き数式 数値ひとつひとつに「収入」「家賃」「消費税」など自由にラベルを設定できます。後から見返したとき、何の数字か一目でわかります。 ▼ 計算履歴 「=」を押すだけで自動的に履歴に保存。日時・数式・結果をまとめて記録します。 ▼ テンプレート よく使う計算式をテンプレートとして保存。毎回入力し直す手間がなくなります。 ▼ カーソル自由操作 入力した数式の好きな位置に、長押し+ドラッグでカーソルを移動して編集できます。 ▼ CSVエクスポート/インポート 計算履歴をCSVファイルで書き出し・読み込みできます。Excelでの管理にも対応。 ▼ プライバシー安心設計 すべてのデータは端末内にのみ保存。ネットワーク通信は一切行いません。 【表示設定】 ・桁区切り表示(1,000形式)のON/OFF ・ダークモード対応

About

Rub Memo

This app allows you to erase text by rubbing your finger over it, mimicking the feel of erasing pencil on paper. It also offers a home screen widget for quick access, reordering paragraphs, and inserting various media like tables, checklists, and drawings.

Highlights
  • Erase text with finger rub
  • Home screen widget for notes
  • Reorder paragraphs by long-press and drop
  • Insert tables, checklists, images, and drawings
  • Full-text search with highlighted matches
  • Lock notes with Face ID/Touch ID
  • Export and share as PDF
Features
Read full description

■ Rub to erase Turn on the "Eraser" in the toolbar and just rub your finger over the text you want gone. Characters fade away one by one — no selecting and deleting. It feels like rubbing out pencil on a paper notebook, right on your phone. ■ Home Screen widget Your most recent note appears in a Home Screen widget. Tap it to jump straight back in. ■ More features ・Long-press a paragraph to lift it, then drop it anywhere to reorder ・Insert tables, checklists, images, and finger drawings (you can erase those too) ・Full-text search with highlighted matches ・Lock individual notes with Face ID / Touch ID ・Export and share as PDF ・Switch between Japanese and English ・Adjust font size, font, ruled lines, and eraser width ■ No ads, no in-app purchases, no sign-up, no data collection. All your data stays on your device.

Screenshots

電卓4 screens
Rub Memo4 screens

Verdict

The call

電卓 and Rub Memo are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

電卓 ships an update every 5 days, Rub Memo every 6 days. The most recent releases landed on September 27, 2026 and September 23, 2026 respectively.

ScorecardNo meaningful differences
電卓 versus Rub Memo: the parameters behind the verdict, then further details
Parameter電卓Rub Memo
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyEvery 5 days — betterEvery 6 days
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhoneiPhone
Requires iOS17.016.0 — better
Further details — not scored
Size1 MB14 MB
Age rating4+4+
Developereisuke yoshikawaseiji honda

In-app purchases

None

電卓

No in-app purchases

None

Rub Memo

No in-app purchases

Questions

Is 電卓 free?
電卓 is free to download, with no in-app purchases.
Is Rub Memo free?
Rub Memo is free to download, with no in-app purchases.
Do 電卓 or Rub Memo have ads?
Neither 電卓 nor Rub Memo shows ads.
Which is updated more often, 電卓 or Rub Memo?
電卓 ships an update every 5 days, and Rub Memo every 6 days. Most recently, 電卓 was updated on September 27, 2026 and Rub Memo on September 23, 2026.

Other comparisons